| 1 | /* |
| 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| 3 | * |
| 4 | * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _LTTNG_UST_MSGPACK_H |
| 8 | #define _LTTNG_UST_MSGPACK_H |
| 9 | |
| 10 | #include <stddef.h> |
| 11 | #ifdef __KERNEL__ |
| 12 | #include <linux/types.h> |
| 13 | #else /* __KERNEL__ */ |
| 14 | #include <stdint.h> |
| 15 | #endif /* __KERNEL__ */ |
| 16 | |
| 17 | struct lttng_msgpack_writer { |
| 18 | uint8_t *buffer; |
| 19 | uint8_t *write_pos; |
| 20 | const uint8_t *end_write_pos; |
| 21 | uint8_t array_nesting; |
| 22 | uint8_t map_nesting; |
| 23 | }; |
| 24 | |
| 25 | __attribute__((visibility("hidden"))) |
| 26 | void lttng_msgpack_writer_init( |
| 27 | struct lttng_msgpack_writer *writer, |
| 28 | uint8_t *buffer, size_t size); |
| 29 | |
| 30 | __attribute__((visibility("hidden"))) |
| 31 | void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer); |
| 32 | |
| 33 | __attribute__((visibility("hidden"))) |
| 34 | int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer); |
| 35 | |
| 36 | __attribute__((visibility("hidden"))) |
| 37 | int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer); |
| 38 | |
| 39 | __attribute__((visibility("hidden"))) |
| 40 | int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer); |
| 41 | |
| 42 | __attribute__((visibility("hidden"))) |
| 43 | int lttng_msgpack_write_unsigned_integer( |
| 44 | struct lttng_msgpack_writer *writer, uint64_t value); |
| 45 | |
| 46 | __attribute__((visibility("hidden"))) |
| 47 | int lttng_msgpack_write_signed_integer( |
| 48 | struct lttng_msgpack_writer *writer, int64_t value); |
| 49 | |
| 50 | __attribute__((visibility("hidden"))) |
| 51 | int lttng_msgpack_write_double(struct lttng_msgpack_writer *writer, double value); |
| 52 | |
| 53 | __attribute__((visibility("hidden"))) |
| 54 | int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer, |
| 55 | const char *value); |
| 56 | |
| 57 | __attribute__((visibility("hidden"))) |
| 58 | int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count); |
| 59 | |
| 60 | __attribute__((visibility("hidden"))) |
| 61 | int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer); |
| 62 | |
| 63 | __attribute__((visibility("hidden"))) |
| 64 | int lttng_msgpack_begin_array( |
| 65 | struct lttng_msgpack_writer *writer, size_t count); |
| 66 | |
| 67 | __attribute__((visibility("hidden"))) |
| 68 | int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer); |
| 69 | |
| 70 | #endif /* _LTTNG_UST_MSGPACK_H */ |